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<?php |
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namespace Meema\MediaRecognition\Traits; |
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use Exception; |
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trait CanRecognizeVideos |
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{ |
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/** |
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* Sets the video to be analyzed. |
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* |
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* @param $type - used to create a readable identifier. |
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* @return void |
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* @throws \Exception |
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*/ |
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protected function setVideoSettings($type): void |
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{ |
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$disk = $this->disk ?? config('media-recognition.disk'); |
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$bucketName = config("filesystems.disks.$disk.bucket"); |
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if (! $bucketName) { |
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throw new Exception('Please make sure to set a S3 bucket name.'); |
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} |
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$this->settings['Video'] = [ |
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'S3Object' => [ |
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'Bucket' => $bucketName, |
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'Name' => $this->source, |
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], |
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]; |
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$this->settings['NotificationChannel'] = [ |
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'RoleArn' => config('media-recognition.iam_arn'), |
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'SNSTopicArn' => config('media-recognition.sns_topic_arn'), |
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]; |
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$uniqueId = $type.'_'.$this->mediaId; |
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// Idempotent token used to identify the start request. |
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// If you use the same token with multiple StartCelebrityRecognition requests, the same JobId is returned. |
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// Use ClientRequestToken to prevent the same job from being accidentally started more than once. |
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$this->settings['ClientRequestToken'] = $uniqueId; |
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// the JobTag is set to be the media id, so we can adjust the media record with the results once the webhook comes in |
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$this->settings['JobTag'] = $uniqueId; |
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} |
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/** |
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* Starts asynchronous detection of labels/objects in a stored video. |
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* |
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* @param int|null $minConfidence |
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* @param int $maxResults |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function detectVideoLabels($minConfidence = null, $maxResults = 1000) |
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{ |
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$this->setVideoSettings('labels'); |
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$this->settings['MinConfidence'] = $minConfidence ?? config('media-recognition.min_confidence'); |
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$this->settings['MaxResults'] = $maxResults; |
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$results = $this->client->startLabelDetection($this->settings); |
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if ($results['JobId']) { |
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$this->updateJobId($results['JobId'], 'labels'); |
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} |
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return $results; |
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} |
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/** |
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* @param array $attributes |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectVideoFaces($attributes = ['DEFAULT']) |
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{ |
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$this->setVideoSettings('faces'); |
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$this->settings['FaceAttributes'] = $attributes; |
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$results = $this->client->startFaceDetection($this->settings); |
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if ($results['JobId']) { |
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$this->updateJobId($results['JobId'], 'faces'); |
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} |
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return $results; |
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} |
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/** |
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* Starts asynchronous detection of unsafe content in a stored video. |
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* |
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* @param int|null $minConfidence |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectVideoModeration($minConfidence = null) |
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{ |
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$this->setVideoSettings('moderation'); |
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$this->settings['MinConfidence'] = $minConfidence ?? config('media-recognition.min_confidence'); |
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$results = $this->client->startContentModeration($this->settings); |
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if ($results['JobId']) { |
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$this->updateJobId($results['JobId'], 'faces'); |
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} |
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return $results; |
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} |
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/** |
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* Starts asynchronous detection of text in a stored video. |
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* |
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* @param array|null $filters |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function detectVideoText(array $filters = null) |
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{ |
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$this->setVideoSettings('ocr'); |
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if (is_array($filters)) { |
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$this->settings['Filters'] = $filters; |
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} |
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$results = $this->client->startTextDetection($this->settings); |
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if ($results['JobId']) { |
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$this->updateJobId($results['JobId'], 'ocr'); |
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} |
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return $results; |
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} |
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/** |
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* Get the labels from the video analysis. |
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* |
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* @param string $jobId |
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* @param int|null $mediaId |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function getLabelsByJobId(string $jobId, int $mediaId = null) |
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{ |
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$results = $this->client->getLabelDetection([ |
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'JobId' => $jobId, |
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]); |
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if (is_null($mediaId)) { |
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return $results; |
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} |
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$this->updateVideoResults($results->toArray(), 'labels', $mediaId); |
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return $results; |
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} |
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/** |
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* Get the faces from the video analysis. |
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* |
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* @param string $jobId |
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* @param int|null $mediaId |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function getFacesByJobId(string $jobId, int $mediaId = null) |
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{ |
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$results = $this->client->getFaceDetection([ |
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'JobId' => $jobId, |
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]); |
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if (is_null($mediaId)) { |
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return $results; |
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} |
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$this->updateVideoResults($results->toArray(), 'faces', $mediaId); |
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return $results; |
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} |
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/** |
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* Get the "content moderation" from the video analysis. |
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* |
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* @param string $jobId |
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* @param int|null $mediaId |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function getContentModerationByJobId(string $jobId, int $mediaId = null) |
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{ |
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$results = $this->client->getContentModeration([ |
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'JobId' => $jobId, |
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]); |
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if (is_null($mediaId)) { |
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return $results; |
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} |
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$this->updateVideoResults($results->toArray(), 'moderation', $mediaId); |
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return $results; |
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} |
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/** |
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* Get the faces from a video analysis. |
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* |
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* @param string $jobId |
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* @param int|null $mediaId |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function getTextDetectionByJobId(string $jobId, int $mediaId = null) |
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{ |
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$results = $this->client->getTextDetection([ |
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'JobId' => $jobId, |
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]); |
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if (is_null($mediaId)) { |
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return $results; |
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} |
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$this->updateVideoResults($results->toArray(), 'ocr', $mediaId); |
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return $results; |
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} |
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} |
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meemalabs /
laravel-media-recognition
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